We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

Subject / Started by Last post
3 Replies
784 Views
Last post May 14, 2023, 1919 UTC
by K1MLP
8 Replies
1062 Views
Last post May 14, 2023, 2322 UTC
by TRI International
16 Replies
1594 Views
Last post May 14, 2023, 2322 UTC
by intellman
10 Replies
1381 Views
Last post May 15, 2023, 1038 UTC
by RainBrandy
5 Replies
817 Views
Last post May 15, 2023, 1047 UTC
by RainBrandy
4 Replies
976 Views
Last post May 15, 2023, 1307 UTC
by Ron Hunsicker
18 Replies
2354 Views
Last post May 16, 2023, 0050 UTC
by Markokpik
0 Replies
361 Views
Last post May 16, 2023, 1319 UTC
by ChrisSmolinski
5 Replies
1053 Views
Last post May 16, 2023, 1328 UTC
by ChrisSmolinski
8 Replies
945 Views
Last post May 16, 2023, 2147 UTC
by Kestrel
11 Replies
1433 Views
Last post May 16, 2023, 2310 UTC
by Shortwave_Listener
5 Replies
976 Views
Last post May 17, 2023, 0054 UTC
by Shortwave_Listener
25 Replies
2283 Views
Last post May 17, 2023, 0232 UTC
by Andrew Yoder
0 Replies
413 Views
Last post May 17, 2023, 1652 UTC
by ChrisSmolinski
9 Replies
925 Views
Last post May 17, 2023, 2332 UTC
by myteaquinn
9 Replies
1274 Views
Last post May 18, 2023, 0159 UTC
by dxbill
15 Replies
1360 Views
Last post May 18, 2023, 1110 UTC
by ChrisSmolinski
2 Replies
538 Views
Last post May 18, 2023, 2012 UTC
by N2MLP
11 Replies
1169 Views
Last post May 19, 2023, 0208 UTC
by Markokpik
0 Replies
431 Views
Last post May 19, 2023, 0349 UTC
by Shortwave_Listener

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns